Bonnemann; Helmut

Patent Applications and Registrations

Patent applications and USPTO patent grants for Bonnemann; Helmut.The latest application filed is for "monodispersable magnetic nanocolloids having an adjustable size and method for the production thereof".

Company Profile

0.10.2

Bonnemann; Helmut - Essen DE
Bonnemann; Helmut - Mulheim/Ruhr DE
Bonnemann; Helmut - Mulheim DE
Bonnemann; Helmut - Essen-Ruhr DE

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Monodispersable magnetic nanocolloids having an adjustable size and method for the production thereof App 20060037434 - Bonnemann; Helmut ; et al.	2006-02-23
Anticorrosive magnetic nanocolloids protected by precious metals App 20030098437 - Bonnemann, Helmut ; et al.	2003-05-29
Method for modifying the dispersion characteristics of metal organic-prestabilized or pre-treated nanometal colloids Grant 6,531,304 - Bonnemann , et al. March 11, 2	2003-03-11
Process for producing tenside-stabilized colloids of mono- and bimetals of the group VIII and Ib of the periodic system in the form of precursors for catalysts which are isolable and water soluble at high concentration Grant 6,090,746 - Bonnemann , et al. July 18, 2	2000-07-18
Process for the preparation of highly active doped metal supported catalysts Grant 5,641,723 - Bonnemann , et al. June 24, 1	1997-06-24
Microcrystalline-to-amorphous metal and/or alloy powders dissolved without protective colloid in organic solvents Grant 5,580,492 - Bonnemann , et al. December 3, 1	1996-12-03
Process for preparing microcrystalline-to-amorphous metal and/or alloy powders and metals and/or alloys dissolved without protective colloid in organic solvents Grant 5,308,377 - Bonnemann , et al. May 3, 1	1994-05-03
Production of transition metal complexes Grant 4,556,719 - Bonnemann , et al. December 3, 1	1985-12-03
Production of transition metal complexes Grant 4,469,638 - Bonnemann , et al. September 4, 1	1984-09-04
Process for preparation of 2-vinylpyridine from acetylene and acrylonitrile Grant 4,267,329 - Bonnemann , et al. May 12, 1	1981-05-12
Process for preparation of 2-vinylpyridine from acetylene and acrylonitrile Grant 4,266,061 - Bonnemann , et al. May 5, 1	1981-05-05
Catalytic production of pyridines from alkynes and nitriles Grant 4,006,149 - Bonnemann , et al. February 1, 1	1977-02-01

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